A new discovery today on LinkedIn has confirmed that Apple has been 'stealing' RIM's BlackBerry enterprise sales staff to improve corporate iPhone sales [reg. required]. Starting with Strategic Sales lead Geoff Perfect, who left in April 2009, Apple has been acquiring an increasing number of staff over the past 1.5 years. He became the Head of Enterprise iPhone Sales, while four more, Paul Alvarez, Joe Bartlett, Peter Decker and Steve Marshall, left between January and June this year.